Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
An earthquake occurred at 1:39:26 AM (PDT) on Tuesday, July 29, 2025.
The magnitude 0.0 event occurred 8 km (5 miles) NNE (19 degrees) of Rancho Cucamonga, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.0 - local magnitude (Ml) |
| Time | Tuesday, July 29, 2025 at 1:39:26 AM (PDT) Tuesday, July 29, 2025 at 8:39:26 (UTC) |
| Distance from |
Rancho Cucamonga, CA - 8 km (5 miles) NNE (19 degrees) Lytle Creek, CA - 8 km (5 miles) SSW (213 degrees) Upland, CA - 14 km (9 miles) NE (40 degrees) Fontana, CA - 14 km (9 miles) NW (322 degrees) Devore, CA - 14 km (9 miles) WSW (258 degrees) |
| Coordinates | 34 deg. 11.7 min. N (34.195N), 117 deg. 32.9 min. W (117.549W) |
| Depth | 7.79 km (4.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=8, Dmin=4.8 km, Rmss=0.08 sec, Erho=0.47 km, Erzz=0.79 km, Gp=124 degrees |
| Event ID# | ci41035263 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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